Question

Explain reflection of light on white paper screen with help of an
activity.


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Answer 1

Answer:

Activity:

• Place a concave mirror fixed on a stand, on a table. Make a screen of about 15 cm X 10 cm using white paper pasted on a cardboard.

• Keep a lighted candle at a distance of 50 cm from the mirror, on a table.

• Try to obtain the image of the flame on the screen, by moving the screen till a sharp image of the flame is obtained.

• Next, move the candle towards the mirror and place it at different distances from it, so as to obtain the image on the screen.

• You will observe that the image formed by a concave mirror can be smaller or larger in size than the object or may be real or virtual.

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Answer 2

Explanation:

Place a concave mirror fixed on a stand, on a table. Make a screen of about 15 cm X 10 cm using white paper pasted on a cardboard.

Keep a lighted candle at a distance of 50 cm from the mirror, on a table.

Try to obtain the image of the flame on the screen, by moving the screen till a sharp image of the flame is obtained.

Next, move the candle towards the mirror and place it at different distances from it, so as to obtain the image on the screen.

You will observe that the image formed by a concave mirror can be smaller or larger in size than the object or may be real or virtual.

I HOPE IT WILL HELP YOU